Polydesmus collaris C.L. Koch, 1847

Fig. 1

Material examined. 1 ♀ (IBER), West Bulgaria, Sofia District, Tran Municipality, Rui Mountain, near Zelenigrad, N 42.501257, E 22.334568, along the road, under stones, 13.III.2016, leg. P. Mitov ; 1 specimen photographed by Iliya Dimitrov on 4.VI. 2010 in Rui Mountain, Tran Municipality, along the track Lomnitsa village—hut Rui, approximately 2 km from the village N 42.521319, E 22.375491 ; 1 specimen photographed by Viktor Senderov on 17.IV.2016 near Velinovo village, ca. 15 km SE of Tran, N 42.771549, E 22.691576 .

Remarks. A new species to the Bulgarian fauna. Although no male has been collected, the characteristic color pattern (see Fig. 1) leaves no doubt about the identity of the specimens. At present, the three localities listed above mark the easternmost occurrence of P. collaris, the nearest record being in Serbia, some 60–70 km off the Bulgarian border (Makarov et al. 2004).